Results 1 to 10 of about 97,210 (256)
Trellis-Coded Non-Orthogonal Multiple Access [PDF]
IEEE Wireless Communications Letters, 2020 In this letter, we propose a trellis-coded nonorthogonal multiple access (NOMA) scheme. The signals for different users are produced by trellis coded modulation (TCM) and then superimposed on different power levels. By interpreting the encoding process via the tensor product of trellises, we introduce a joint detection method based on the Viterbi ...
Xun Zou, Mehdi Ganji, Hamid Jafarkhani
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Non-orthogonal multiple access for FSO backhauling [PDF]
2018 IEEE Wireless Communications and Networking Conference (WCNC), 2018 This paper has been submitted to IEEE WCNC ...
Marzieh Najafi +4 more
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Non-Orthogonal Frequency Division Multiple Access [PDF]
2020 IEEE 91st Vehicular Technology Conference (VTC2020-Spring), 2020 This paper proposes a frequency-domain multiple user access scheme termed non-orthogonal frequency division multiple access (NoFDMA), which maintains the same data rate per user while allowing more users to access via non-orthogonal user overlapping in a given spectral band.
Tongyang Xu, Izzat Darwazeh
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Investigating High Performance Implementations of Sparse Code Multiple Access (SCMA) Codebook Design
JISR on Computing, 2022 - The number of mobile devices, IoT devices, and their applications is increasing day by day in recent years and further going to increase in coming years.
Halar Mustafa
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Polar coded non-orthogonal multiple access [PDF]
2016 IEEE International Symposium on Information Theory (ISIT), 2016 In this paper, polar codes are first applied in non-orthogonal multiple access (NOMA) and the channel polarization idea is extended to NOMA, which is a major multiple access technique in 5G systems. The polar coded NOMA (PC-NOMA) scheme is proposed, whereby the NOMA channel is decomposed into a series of binary-input channels under a two-stage channel ...
Jincheng Dai +3 more
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Optimum Fairness for Non-Orthogonal Multiple Access [PDF]
2018 IEEE/CIC International Conference on Communications in China (ICCC), 2018 This paper focuses on the fairness issue in non-orthogonal multiple access (NOMA) and investigates the optimization problem that maximizes the worst user's achievable rate. Unlike previous studies, we derive a closed-form expression for the optimal value and solution, which are related to Perron-Frobenius eigenvalue and eigenvector of a defined ...
Ting Qi +3 more
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International Journal of Distributed Sensor Networks, 2022 Fifth-generation wireless communications provide several benefits, including high throughput, lower latency, massive connectivity, considerable improvement in the number of users, higher base station capacity, and achieved quality of service.
Bilal Ur Rehman +6 more
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Uplink Non-Orthogonal Multiple Access With Golden Codeword Constellation
IEEE Access, 2021 Non-orthogonal multiple access (NOMA) is a technique to improve spectral efficiency. In uplink NOMA (UL-NOMA) systems, mobile multiusers are globally synchronized to share the same time and frequency resources, and transmit their own independent symbols ...
Hongjun Xu, Narushan Pillay
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Cooperative Non-Orthogonal Multiple Access for Beyond 5G Networks
IEEE Open Journal of the Communications Society, 2021 In the beyond 5G networks, extraordinary demands for data rates and capacity are to be met. A possible candidate to address these challenges is Non-Orthogonal Multiple Access (NOMA) technique, which leads to higher diversity gains and massive ...
Abbas Ahmed +3 more
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Cache-Aided Non-Orthogonal Multiple Access [PDF]
2018 IEEE International Conference on Communications (ICC), 2018 In this paper, we propose a novel joint caching and non-orthogonal multiple access (NOMA) scheme to facilitate advanced downlink transmission for next generation cellular networks. In addition to reaping the conventional advantages of caching and NOMA transmission, the proposed cache-aided NOMA scheme also exploits cached data for interference ...
Lin Xiang 0001 +5 more
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